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Rietvlei & Marais Dams (25532817)

Gauteng

CWAC status REGISTERED-COUNTED REGULARLY
Authority Gauteng Department of Agriculture, Conservation and Environment
Management status PROVINCIAL GAME/NATURE RESERVE
Conservation status PROTECTED
IBA information
Ramsar information
Heritage information
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Information 

Date_registered
1997-01-01
Brief_description
Two dams in a 3200 ha nature reserve. This site was counted in 1997, when 29 waterbird species were recorded, 22 in summer and 23 in winter. The summer count yielded good numbers of Cattle Egret and reasonable numbers of Darter and Sacred Ibis, while the winter count yielded good numbers of Dabchick, Whitebreasted Cormorant and Egyptian Goose. Redknobbed Coot is numerous, especially in winter. The spread of Black Wattle is a potential threat.

SppCommon nameTaxonomic nameMinAvgMaxIBASubregional
IBA
RAMSAR
256Calidris pugnax11.502  
72Scopus umbretta11.302   
1016Anas platyrhynchos12.907
273Dromas ardeola00.000 
269Avocet, PiedRecurvirostra avosetta55.005   
66Bittern, DwarfIxobrychus sturmii11.001   
71Bittern, EurasianBotaurus stellaris11.001   
67Bittern, LittleIxobrychus minutus12.227   
212Coot, Red-knobbedFulica cristata5352.671140   
50Cormorant, ReedMicrocarbo africanus882.64269   
47Cormorant, White-breastedPhalacrocorax lucidus376.77243  130
199Crake, AfricanCrex egregia1111.0011-1
203Crake, BlackZaporina flavirostra14.6516
52Darter, AfricanAnhinga rufa264.63288 250 
95Duck, African BlackAnas sparsa13.7713   
10006Duck, DomesticAnas platyrhynchos domesticus11.001
10034Duck, Hyrbid Mallard/Yellow-billedAnas platyrhynchos x undulata14.009
91Duck, Knob-billedSarkidiornis melanotos1818.0018   
10003Duck, MuscovyCairina moschata12.003
10014Duck, UnidentifiedAnas sp.11.673
104Duck, White-backedThalassornis leuconotus11.673   
100Duck, White-faced WhistlingDendrocygna viduata14.006   
96Duck, Yellow-billedAnas undulata264.91180   
58Egret, GreatArdea alba14.0012   
60Egret, IntermediateArdea intermedia119.0037   
59Egret, LittleEgretta garzetta14.4712   
61Egret, Western CattleBubulcus ibis1352.842200   
149Fish Eagle, AfricanHaliaeetus vocifer11.764
10004Goose, DomesticAnser anser domesticus11.001
89Goose, EgyptianAlopochen aegyptiaca3100.00246   
88Goose, Spur-wingedPlectropterus gambensis14.6415   
5Grebe, Black-neckedPodiceps nigricollis22.002   
4Grebe, Great CrestedPodiceps cristatus18.0544 25 
6Grebe, LittleTachybaptus ruficollis176.03414 250 
263Greenshank, CommonTringa nebularia24.337   
288Gull, Grey-headedChroicocephalus cirrocephalus112.1671   
64Heron, BlackEgretta ardesiaca23.137   
55Heron, Black-headedArdea melanocephala13.9536   
56Heron, GoliathArdea goliath11.001   
54Heron, GreyArdea cinerea11.504   
57Heron, PurpleArdea purpurea11.715   
62Heron, SquaccoArdeola ralloides12.6720   
63Heron, StriatedButorides striata11.483   
81Ibis, African SacredThreskiornis aethiopicus1143.00611   
83Ibis, GlossyPlegadis falcinellus115.7158   
84Ibis, HadadaBostrychia hagedash111.5244   
228Jacana, AfricanActophilornis africanus11.502   
395Kingfisher, GiantMegaceryle maxima11.883
396Kingfisher, Half-collaredAlcedo semitorquata11.001
397Kingfisher, MalachiteCorythornis cristatus11.734
394Kingfisher, PiedCeryle rudis12.055
247Lapwing, African WattledVanellus senegallus13.008   
245Lapwing, BlacksmithVanellus armatus228.0586   
10015Mallard, HybridAnas hybrid13.678
509Martin, Brown-throatedRiparia paludicola11.001
210Moorhen, CommonGallinula chloropus245.05161   
211Moorhen, LesserParagallinula angulata11.001
69Night Heron, Black-crownedNycticorax nycticorax12.567   
361Owl, MarshAsio capensis11.001
42Pelican, Great WhitePelecanus onocrotalus11.001   
238Plover, Three-bandedCharadrius tricollaris15.5827   
102Pochard, SouthernNetta erythrophthalma110.1047   
197Rail, AfricanRallus caerulescens11.673-1
258Sandpiper, CommonActitis hypoleucos12.678  
251Sandpiper, CurlewCalidris ferruginea11.502  
259Sandpiper, GreenTringa ochropus11.001
262Sandpiper, MarshTringa stagnatilis77.007   
264Sandpiper, WoodTringa glareola15.7119   
90Shelduck, South AfricanTadorna cana15.2530   
94Shoveler, CapeAnas smithii13.008   
250Snipe, AfricanGallinago nigripennis12.004   
85Spoonbill, AfricanPlatalea alba12.095   
270Stilt, Black-wingedHimantopus himantopus14.007   
253Stint, LittleCalidris minuta24.507   
208Swamphen, AfricanPorphyrio madagascariensis12.6110  
99Teal, Blue-billedAnas hottentota12.715   
98Teal, CapeAnas capensis12.004   
97Teal, Red-billedAnas erythrorhyncha15.2415   
290Tern, CaspianHydroprogne caspia11.502   
10009Tern, UnidentifiedN/A N/A22.002
305Tern, WhiskeredChlidonias hybrida18.6327   
304Tern, White-wingedChlidonias leucopterus18.2527   
10008Wader, UnidentifiedN/A N/A14.3310
685Wagtail, African PiedMotacilla aguimp12.274
686Wagtail, CapeMotacilla capensis17.7232
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Thursday 27 March 2025 08:58
FitzPatrick Institute of African Ornithology
Department of Biological Sciences - University of Cape Town

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